R.H. wrote:
This week's set has just been posted:

http://puzzlephotos.blogspot.com/

521 is a gramophone speaker/tone arm.
522 carpet seam tool? Pie piercer? Dress pattern transfer tool?
523 climbing exercise thingy. The pegs slide in the slots, and you
climb
in a pseudo hand-over-hand fashion.
524 screen thingy
525 wax seal for sealing envelopes
526 "slim jim" for jimmying car doors?

--
Sandy